123313333123 has 4 divisors (see below), whose sum is σ = 123321602520. Its totient is φ = 123305063728.

The previous prime is 123313333097. The next prime is 123313333127. The reversal of 123313333123 is 321333313321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321333313321 = 457 ⋅703136353.

It is a cyclic number.

It is not a de Polignac number, because 123313333123 - 2²⁵ = 123279778691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123313333091 and 123313333100.

It is not an unprimeable number, because it can be changed into a prime (123313333127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4112290 + ... + 4142167.

It is an arithmetic number, because the mean of its divisors is an integer number (30830400630).

Almost surely, 2^123313333123 is an apocalyptic number.

123313333123 is a deficient number, since it is larger than the sum of its proper divisors (8269397).

123313333123 is an equidigital number, since it uses as much as digits as its factorization.

123313333123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269396.

The product of its digits is 8748, while the sum is 28.

Adding to 123313333123 its reverse (321333313321), we get a palindrome (444646646444).

The spelling of 123313333123 in words is "one hundred twenty-three billion, three hundred thirteen million, three hundred thirty-three thousand, one hundred twenty-three".